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From Wikipedia:

John Hopkinson

John Hopkinson, FRS, was a British physicist, electrical engineer, Fellow of the Royal Society and President of the IEE twice in 1890 and 1896. He invented the three-wire system for the distribution of electrical power, for which he was granted a patent in 1882. He also worked in many areas of electromagnetism and electrostatics, and in 1890 was appointed professor of electrical engineering at King's College London, where he was also director of the Siemens... Read More

Born27 July 1849
Manchester
Died27 August 1898 (aged 49)
Val d'Herens, Switzerland
NationalityBritish
Fieldsphysics, electrical engineering

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Heliozoa
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World's Columbian Exposition (1893 : Chicago, Ill.)
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Dielectrics
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Electricity
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Freshwater animals
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cash, james, 1839-1909
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hopkinson, john, 1849-1898
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hopkinson, francis, 1737-1791
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john m. hopkinson
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millet, francis davis, 1846-1912
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hertfordshire natural history society and field club, watford. [from old catalog]
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